Finding the Fourth Proportional to 9,823.58, 13,556.59 and 5,347.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,823.58 : 13,556.59 = 5,347.37 : x
2. Step 2: Convert to fraction form
   9,823.58/13,556.59 = 5,347.37/x
3. Step 3: Cross multiply
   9,823.58x = 13,556.59 × 5,347.37
4. Step 4: Simplify right side
   9,823.58x = 72,492,061.98
5. Step 5: Solve for x
   x = 72,492,061.98/9,823.58
6. Step 6: Final answer
   x = 7,379.39